mirror of
https://github.com/rust-lang/rust.git
synced 2024-11-01 06:51:58 +00:00
21 lines
317 B
Rust
21 lines
317 B
Rust
// run-pass
|
|
|
|
use std::ops::Deref;
|
|
|
|
struct DerefArray<'a, T:'a> {
|
|
inner: &'a [T]
|
|
}
|
|
|
|
impl<'a, T> Deref for DerefArray<'a, T> {
|
|
type Target = &'a [T];
|
|
|
|
fn deref<'b>(&'b self) -> &'b &'a [T] {
|
|
&self.inner
|
|
}
|
|
}
|
|
|
|
pub fn main() {
|
|
let a = &[1, 2, 3];
|
|
assert_eq!(DerefArray {inner: a}[1], 2);
|
|
}
|